Home / 422,060.09-582,442.65-231,073.43

Finding the Fourth Proportional to 422,060.09, 582,442.65 and 231,073.43

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Solution

The fourth proportional to 422,060.09, 582,442.65 and 231,073.43 is: 318,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,060.09 : 582,442.65 = 231,073.43 : x
  2. Step 2: Convert to fraction form
    422,060.09/582,442.65 = 231,073.43/x
  3. Step 3: Cross multiply
    422,060.09x = 582,442.65 × 231,073.43
  4. Step 4: Simplify right side
    422,060.09x = 134,587,018,001.58
  5. Step 5: Solve for x
    x = 134,587,018,001.58/422,060.09
  6. Step 6: Final answer
    x = 318,881.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.